Chris@58: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@59:     Sonic Visualiser
Chris@59:     An audio file viewer and annotation editor.
Chris@59:     Centre for Digital Music, Queen Mary, University of London.
Chris@59:     This file copyright 2006 Chris Cannam.
Chris@0:     
Chris@59:     This program is free software; you can redistribute it and/or
Chris@59:     modify it under the terms of the GNU General Public License as
Chris@59:     published by the Free Software Foundation; either version 2 of the
Chris@59:     License, or (at your option) any later version.  See the file
Chris@59:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@0: #include "LayerFactory.h"
Chris@0: 
Chris@0: #include "WaveformLayer.h"
Chris@0: #include "SpectrogramLayer.h"
Chris@0: #include "TimeRulerLayer.h"
Chris@0: #include "TimeInstantLayer.h"
Chris@0: #include "TimeValueLayer.h"
Chris@30: #include "NoteLayer.h"
Chris@35: #include "TextLayer.h"
Chris@0: #include "Colour3DPlotLayer.h"
Chris@0: 
Chris@0: #include "model/RangeSummarisableTimeValueModel.h"
Chris@0: #include "model/DenseTimeValueModel.h"
Chris@0: #include "model/SparseOneDimensionalModel.h"
Chris@0: #include "model/SparseTimeValueModel.h"
Chris@30: #include "model/NoteModel.h"
Chris@35: #include "model/TextModel.h"
Chris@0: #include "model/DenseThreeDimensionalModel.h"
Chris@0: 
Chris@0: LayerFactory *
Chris@0: LayerFactory::m_instance = new LayerFactory;
Chris@0: 
Chris@0: LayerFactory *
Chris@125: LayerFactory::getInstance()
Chris@0: {
Chris@0:     return m_instance;
Chris@0: }
Chris@0: 
Chris@0: LayerFactory::~LayerFactory()
Chris@0: {
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: LayerFactory::getLayerPresentationName(LayerType type)
Chris@0: {
Chris@0:     switch (type) {
Chris@0:     case Waveform:     return Layer::tr("Waveform");
Chris@0:     case Spectrogram:  return Layer::tr("Spectrogram");
Chris@0:     case TimeRuler:    return Layer::tr("Ruler");
Chris@0:     case TimeInstants: return Layer::tr("Time Instants");
Chris@0:     case TimeValues:   return Layer::tr("Time Values");
Chris@30:     case Notes:        return Layer::tr("Notes");
Chris@35:     case Text:         return Layer::tr("Text");
Chris@0:     case Colour3DPlot: return Layer::tr("Colour 3D Plot");
Chris@0: 
Chris@0:     case MelodicRangeSpectrogram:
Chris@0: 	// The user can change all the parameters of this after the
Chris@0: 	// fact -- there's nothing permanently melodic-range about it
Chris@0: 	// that should be encoded in its name
Chris@0: 	return Layer::tr("Spectrogram");
Chris@11: 
Chris@37:     case PeakFrequencySpectrogram:
Chris@37: 	// likewise
Chris@37: 	return Layer::tr("Spectrogram");
Chris@37: 
Chris@11:     default: break;
Chris@0:     }
Chris@0: 
Chris@0:     return Layer::tr("Layer");
Chris@0: }
Chris@0: 
Chris@0: LayerFactory::LayerTypeSet
Chris@0: LayerFactory::getValidLayerTypes(Model *model)
Chris@0: {
Chris@0:     LayerTypeSet types;
Chris@0: 
Chris@0:     if (dynamic_cast<DenseThreeDimensionalModel *>(model)) {
Chris@0: 	types.insert(Colour3DPlot);
Chris@0:     }
Chris@0: 
Chris@0:     if (dynamic_cast<DenseTimeValueModel *>(model)) {
Chris@0: 	types.insert(Spectrogram);
Chris@0: 	types.insert(MelodicRangeSpectrogram);
Chris@37: 	types.insert(PeakFrequencySpectrogram);
Chris@0:     }
Chris@0: 
Chris@0:     if (dynamic_cast<RangeSummarisableTimeValueModel *>(model)) {
Chris@0: 	types.insert(Waveform);
Chris@0:     }
Chris@0: 
Chris@0:     if (dynamic_cast<SparseOneDimensionalModel *>(model)) {
Chris@0: 	types.insert(TimeInstants);
Chris@0:     }
Chris@0: 
Chris@0:     if (dynamic_cast<SparseTimeValueModel *>(model)) {
Chris@0: 	types.insert(TimeValues);
Chris@35:     
Chris@35: }
Chris@35:     if (dynamic_cast<NoteModel *>(model)) {
Chris@35: 	types.insert(Notes);
Chris@0:     }
Chris@0: 
Chris@35:     if (dynamic_cast<TextModel *>(model)) {
Chris@35: 	types.insert(Text);
Chris@30:     }
Chris@30: 
Chris@0:     // We don't count TimeRuler here as it doesn't actually display
Chris@0:     // the data, although it can be backed by any model
Chris@0: 
Chris@0:     return types;
Chris@0: }
Chris@0: 
Chris@17: LayerFactory::LayerTypeSet
Chris@17: LayerFactory::getValidEmptyLayerTypes()
Chris@17: {
Chris@17:     LayerTypeSet types;
Chris@17:     types.insert(TimeInstants);
Chris@17:     types.insert(TimeValues);
Chris@30:     types.insert(Notes);
Chris@35:     types.insert(Text);
Chris@17:     //!!! and in principle Colour3DPlot -- now that's a challenge
Chris@17:     return types;
Chris@17: }
Chris@17: 
Chris@0: LayerFactory::LayerType
Chris@6: LayerFactory::getLayerType(const Layer *layer)
Chris@0: {
Chris@6:     if (dynamic_cast<const WaveformLayer *>(layer)) return Waveform;
Chris@6:     if (dynamic_cast<const SpectrogramLayer *>(layer)) return Spectrogram;
Chris@6:     if (dynamic_cast<const TimeRulerLayer *>(layer)) return TimeRuler;
Chris@6:     if (dynamic_cast<const TimeInstantLayer *>(layer)) return TimeInstants;
Chris@6:     if (dynamic_cast<const TimeValueLayer *>(layer)) return TimeValues;
Chris@30:     if (dynamic_cast<const NoteLayer *>(layer)) return Notes;
Chris@35:     if (dynamic_cast<const TextLayer *>(layer)) return Text;
Chris@6:     if (dynamic_cast<const Colour3DPlotLayer *>(layer)) return Colour3DPlot;
Chris@6:     return UnknownLayer;
Chris@6: }
Chris@6: 
Chris@6: QString
Chris@17: LayerFactory::getLayerIconName(LayerType type)
Chris@17: {
Chris@17:     switch (type) {
Chris@17:     case Waveform: return "waveform";
Chris@17:     case Spectrogram: return "spectrogram";
Chris@17:     case TimeRuler: return "timeruler";
Chris@17:     case TimeInstants: return "instants";
Chris@17:     case TimeValues: return "values";
Chris@30:     case Notes: return "notes";
Chris@35:     case Text: return "text";
Chris@17:     case Colour3DPlot: return "colour3d";
Chris@17:     default: return "unknown";
Chris@17:     }
Chris@17: }
Chris@17: 
Chris@17: QString
Chris@6: LayerFactory::getLayerTypeName(LayerType type)
Chris@6: {
Chris@6:     switch (type) {
Chris@6:     case Waveform: return "waveform";
Chris@6:     case Spectrogram: return "spectrogram";
Chris@6:     case TimeRuler: return "timeruler";
Chris@6:     case TimeInstants: return "timeinstants";
Chris@6:     case TimeValues: return "timevalues";
Chris@30:     case Notes: return "notes";
Chris@35:     case Text: return "text";
Chris@6:     case Colour3DPlot: return "colour3dplot";
Chris@6:     default: return "unknown";
Chris@6:     }
Chris@6: }
Chris@6: 
Chris@6: LayerFactory::LayerType
Chris@6: LayerFactory::getLayerTypeForName(QString name)
Chris@6: {
Chris@6:     if (name == "waveform") return Waveform;
Chris@6:     if (name == "spectrogram") return Spectrogram;
Chris@6:     if (name == "timeruler") return TimeRuler;
Chris@6:     if (name == "timeinstants") return TimeInstants;
Chris@6:     if (name == "timevalues") return TimeValues;
Chris@30:     if (name == "notes") return Notes;
Chris@35:     if (name == "text") return Text;
Chris@6:     if (name == "colour3dplot") return Colour3DPlot;
Chris@0:     return UnknownLayer;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: LayerFactory::setModel(Layer *layer, Model *model)
Chris@0: {
Chris@0:     if (trySetModel<WaveformLayer, RangeSummarisableTimeValueModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<SpectrogramLayer, DenseTimeValueModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<TimeRulerLayer, Model>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<TimeInstantLayer, SparseOneDimensionalModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<TimeValueLayer, SparseTimeValueModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@30:     if (trySetModel<NoteLayer, NoteModel>(layer, model))
Chris@30: 	return;
Chris@30: 
Chris@35:     if (trySetModel<TextLayer, TextModel>(layer, model))
Chris@35: 	return;
Chris@35: 
Chris@0:     if (trySetModel<Colour3DPlotLayer, DenseThreeDimensionalModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<SpectrogramLayer, DenseTimeValueModel>(layer, model))
Chris@0: 	return;
Chris@0: }
Chris@0: 
Chris@17: Model *
Chris@17: LayerFactory::createEmptyModel(LayerType layerType, Model *baseModel)
Chris@17: {
Chris@17:     if (layerType == TimeInstants) {
Chris@17: 	return new SparseOneDimensionalModel(baseModel->getSampleRate(), 1);
Chris@17:     } else if (layerType == TimeValues) {
Chris@17: 	return new SparseTimeValueModel(baseModel->getSampleRate(), 1,
Chris@17: 					0.0, 0.0, true);
Chris@30:     } else if (layerType == Notes) {
Chris@30: 	return new NoteModel(baseModel->getSampleRate(), 1,
Chris@30: 			     0.0, 0.0, true);
Chris@35:     } else if (layerType == Text) {
Chris@35: 	return new TextModel(baseModel->getSampleRate(), 1, true);
Chris@17:     } else {
Chris@17: 	return 0;
Chris@17:     }
Chris@17: }
Chris@17: 
Chris@53: int
Chris@53: LayerFactory::getChannel(Layer *layer)
Chris@53: {
Chris@53:     if (dynamic_cast<WaveformLayer *>(layer)) {
Chris@53: 	return dynamic_cast<WaveformLayer *>(layer)->getChannel();
Chris@53:     } 
Chris@53:     if (dynamic_cast<SpectrogramLayer *>(layer)) {
Chris@53: 	return dynamic_cast<SpectrogramLayer *>(layer)->getChannel();
Chris@53:     }
Chris@53:     return -1;
Chris@53: }
Chris@53: 
Chris@53: void
Chris@53: LayerFactory::setChannel(Layer *layer, int channel)
Chris@53: {
Chris@53:     if (dynamic_cast<WaveformLayer *>(layer)) {
Chris@53: 	dynamic_cast<WaveformLayer *>(layer)->setChannel(channel);
Chris@53: 	return;
Chris@53:     } 
Chris@53:     if (dynamic_cast<SpectrogramLayer *>(layer)) {
Chris@53: 	dynamic_cast<SpectrogramLayer *>(layer)->setChannel(channel);
Chris@53: 	return;
Chris@53:     }
Chris@53: }
Chris@53: 
Chris@0: Layer *
Chris@53: LayerFactory::createLayer(LayerType type)
Chris@0: {
Chris@0:     Layer *layer = 0;
Chris@0: 
Chris@0:     switch (type) {
Chris@0: 
Chris@0:     case Waveform:
Chris@44: 	layer = new WaveformLayer;
Chris@0: 	break;
Chris@0: 
Chris@0:     case Spectrogram:
Chris@44: 	layer = new SpectrogramLayer;
Chris@0: 	break;
Chris@0: 
Chris@0:     case TimeRuler:
Chris@44: 	layer = new TimeRulerLayer;
Chris@0: 	break;
Chris@0: 
Chris@0:     case TimeInstants:
Chris@44: 	layer = new TimeInstantLayer;
Chris@0: 	break;
Chris@0: 
Chris@0:     case TimeValues:
Chris@44: 	layer = new TimeValueLayer;
Chris@0: 	break;
Chris@0: 
Chris@30:     case Notes:
Chris@44: 	layer = new NoteLayer;
Chris@30: 	break;
Chris@30: 
Chris@35:     case Text:
Chris@44: 	layer = new TextLayer;
Chris@35: 	break;
Chris@35: 
Chris@0:     case Colour3DPlot:
Chris@44: 	layer = new Colour3DPlotLayer;
Chris@0: 	break;
Chris@0: 
Chris@0:     case MelodicRangeSpectrogram: 
Chris@44: 	layer = new SpectrogramLayer(SpectrogramLayer::MelodicRange);
Chris@0: 	break;
Chris@11: 
Chris@37:     case PeakFrequencySpectrogram: 
Chris@44: 	layer = new SpectrogramLayer(SpectrogramLayer::MelodicPeaks);
Chris@37: 	break;
Chris@37: 
Chris@11:     default: break;
Chris@0:     }
Chris@0: 
Chris@0:     if (!layer) {
Chris@0: 	std::cerr << "LayerFactory::createLayer: Unknown layer type " 
Chris@0: 		  << type << std::endl;
Chris@0:     } else {
Chris@101: //	std::cerr << "LayerFactory::createLayer: Setting object name "
Chris@101: //		  << getLayerPresentationName(type).toStdString() << " on " << layer << std::endl;
Chris@0: 	layer->setObjectName(getLayerPresentationName(type));
Chris@0:     }
Chris@0: 
Chris@0:     return layer;
Chris@0: }
Chris@0: